Home / 109,451.30-164,217.96-38,379.29

Finding the Fourth Proportional to 109,451.30, 164,217.96 and 38,379.29

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Solution

The fourth proportional to 109,451.30, 164,217.96 and 38,379.29 is: 57,583.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,451.30 : 164,217.96 = 38,379.29 : x
  2. Step 2: Convert to fraction form
    109,451.30/164,217.96 = 38,379.29/x
  3. Step 3: Cross multiply
    109,451.30x = 164,217.96 × 38,379.29
  4. Step 4: Simplify right side
    109,451.30x = 6,302,568,710.05
  5. Step 5: Solve for x
    x = 6,302,568,710.05/109,451.30
  6. Step 6: Final answer
    x = 57,583.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.